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Updated 2025 Tax Year

Wyandotte County
Property Tax Guide

Everything you need to know about property taxes in Wyandotte County, KS. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
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Quick Facts
Tax Rate
1.8-2.5% of market value (varies by taxing districts and location within county)
Exemptions
5+ Available
Section 1

How Property Tax Works

Wyandotte County, Kansas operates under a property tax system that funds essential local services including schools, law enforcement, fire protection, and infrastructure maintenance. Property taxes in Wyandotte County are calculated by applying mill levy rates to the assessed value of real property, with assessments based on market value as of January 1st each year. The effective tax rate in Wyandotte County typically ranges from approximately 1.8% to 2.5% of market value, though this varies significantly based on your specific location within the county.

Property tax rates in Wyandotte County vary by location due to overlapping special taxing districts, including school districts, fire districts, library districts, and other municipal services. Kansas City, Kansas residents may face different total tax rates than those in other parts of Wyandotte County due to these varying district boundaries. The county is currently reviewing its budget for 2025, with final mill levy rates to be determined based on budget decisions and state funding allocations.

Section 2

What Makes Up Your Tax Bill

Note: 2025 tax rates are pending budget approval. Rates vary by special taxing district within Wyandotte County.

ComponentEstimated Rate (Mills)Description
County General25-30County operations, services
School District45-55Local school funding (varies by district)
State1.5State-mandated levy
City/Municipal15-25Municipal services (where applicable)
Fire District8-12Fire protection services
Library District2-4Public library services
Total Estimated96-127 MillsVaries by location within county

Rates shown are estimates for planning purposes. Final levy year 2025 rates will be set following budget approval. One mill = $1 per $1,000 of assessed value.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Wyandotte County, property taxes are due in two installments:

Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes in Wyandotte County are additional property tax assessments that occur when there are changes to property ownership, new construction, or improvements made after the January 1st assessment date. These taxes are calculated on the difference between the old assessed value and the new assessed value, prorated for the portion of the tax year remaining.

For example, if you complete a $50,000 home addition in June, the county assessor will calculate the additional assessed value (typically 11.5% of market value for residential property, or $5,750) and apply the current mill levy rate for the remaining months of the tax year. If your total mill levy rate is 100 mills, you would owe approximately $287.50 in supplemental taxes ($5,750 × 0.100 ÷ 2 for half the year). Supplemental tax bills are typically issued within 60-90 days of the assessment and have their own payment deadlines separate from regular property taxes.

Example Calculation

Tax Year 2025 Estimates (rates pending final approval)

Example 1: $300,000 Home

  • Market Value: $300,000
  • Assessed Value (11.5%): $34,500
  • Less: Homestead Credit (if applied): -$2,000
  • Net Taxable Value: $32,500
  • Annual Tax (100 mills): $3,250
  • Monthly (if escrowed): $271

Example 2: $600,000 Home

  • Market Value: $600,000
  • Assessed Value (11.5%): $69,000
  • Less: Homestead Credit (if applied): -$2,000
  • Net Taxable Value: $67,000
  • Annual Tax (100 mills): $6,700
  • Monthly (if escrowed): $558

Example 3: $1,000,000 Home

  • Market Value: $1,000,000
  • Assessed Value (11.5%): $115,000
  • Less: Homestead Credit (if applied): -$2,000
  • Net Taxable Value: $113,000
  • Annual Tax (100 mills): $11,300
  • Monthly (if escrowed): $942

All tax credits require application and approval. Credits shown are estimates and may vary based on qualification.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Wyandotte County require property tax escrow for loans with less than 20% down payment. Your lender collects monthly escrow payments along with your mortgage payment and pays property taxes directly to the county when due. Escrow accounts are analyzed annually, typically resulting in payment adjustments to account for tax rate changes or assessment increases.

Property tax statements are mailed by December 15th each year, with payment due by November 15th of the following year. Lenders typically receive tax bills directly and make payments before the deadline to avoid penalties. You can verify your property tax payments through the Wyandotte County Treasurer's office online portal or by contacting your mortgage servicer. If you pay your own taxes (no escrow), you're responsible for ensuring timely payment to avoid interest charges and potential tax sale proceedings.

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Section 6

Frequently Asked Questions

Q: When are property taxes due in Wyandotte County for 2025? A: Property tax statements are mailed by December 15, 2024, with payment due by November 15, 2025, for the 2025 tax year.

Q: What tax credits are available and do I need to apply? A: Kansas offers several tax credits including the Homestead Property Tax Refund for qualifying low-income homeowners and disabled veterans exemptions. All credits require annual application and are not automatic. Contact the Wyandotte County Assessor's office for specific eligibility requirements and deadlines.

Q: How does the Homestead credit work? A: The Kansas Homestead Property Tax Refund provides credits for qualifying homeowners based on income limits. This is a tax credit that reduces your final tax bill, not an exemption. You must apply annually, and the credit amount varies based on income and household size.

Q: When does the county reassess properties? A: Kansas requires counties to conduct property reappraisals every six years, with annual reviews for market changes. Property owners receive assessment notices by March 1st and have 30 days to file appeals with the Board of Tax Appeals.

Q: What are the penalties for late payment? A: Property taxes not paid by November 15th accrue interest at a rate set by state law (currently around 1.5% per month). Properties with delinquent taxes may be subject to tax sale proceedings after three years.

Q: Can I pay property taxes online? A: Yes, Wyandotte County offers online payment options through their official website. Credit card, debit card, and electronic check payments are typically accepted, though convenience fees may apply.

Q: How do special district taxes affect my bill? A: Your total property tax includes levies from multiple entities: county, school district, city (if applicable), fire district, library district, and others. Rates vary significantly based on your specific address within Wyandotte County.

Q: What if I disagree with my property assessment? A: You have 30 days from the date the county mails your assessment notice to file an appeal. You can request an informal review with the county appraiser or file a formal appeal with the Board of Tax Appeals. Appeals must be filed by the statutory deadline to be considered.

Verified Sources

Backed by 10 Official Government Sources

Every fact in this guide is sourced from official county, state, and federal documents.

01
County
Unified Government of Wyandotte County and Kansas City, ...kslegislature.gov
02
Table of Contents Introduction Department Officials ---------- ...ksrevenue.gov
03
County
Wyandotte County 2025 | Municipal Budgetsadmin.ks.gov
04
Tax Doc
Property Tax Calendarksrevenue.gov
05
County
UNIFIED GOVERNMENT OF WYANDOTTE COUNTY/ ...admin.ks.gov
06
second conference committee report brief house bill no. 2702kslegislature.gov
07
Index Pksrevisor.gov
08
Download Bill Status CSVkslegislature.gov
09
Kansas Homestead Refund Programsksrevenue.gov
10
In Re McGruder, 20-20758 (Bankr. D. Kan. Apr. 02, 2025) Doc. # ...ksb.uscourts.gov
All sources verified as of 2025 Tax Year

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